Lyndon Johnson actually said...

You know what you are fighting against: a vicious and illegal aggression across this little nation's frontier.

I came here today with only one regret: that I would not be able to personally thank every man in Vietnam for what he is doing.

I came here today for one good purpose: to tell you, and through you, tell every soldier, sailor, airman and marine in Vietnam how proud we ...

I came here today for one good reason: simply because I could not come to this part of the world and not come to see you.